Lead Software Engineer

Salary: £43,000 - 83,000 per year

Requirements:

• Extensive commercial experience with C# and .NET, capable of writing clean, well-tested, production-grade code
• Strong experience designing and building microservices and distributed systems
• Solid grounding in RESTful API design and Azure cloud development
• Deep familiarity with modern software development practices and scalable system architecture
• Experience working cross-functionally with Product, QA, and other stakeholders
• Pragmatic approach to delivery; you know how to ship an MVP and iterate with purpose
• Ability to embed deeply within an engineering group, building strong domain knowledge over time and becoming a trusted technical voice across the team and wider business
• React or fullstack experience is a plus

Responsibilities:

• Stay deeply hands-on in day-to-day software development, setting the technical standard through the quality of your own work
• Design and evolve microservices and distributed systems that are scalable, resilient, and maintainable
• Act as the technical authority in your area; youll be the person engineers turn to when they hit a hard problem
• Conduct thorough code reviews and share knowledge that raises the bar across the team
• Lead high-impact projects from concept to delivery, making pragmatic architecture decisions along the way
• Collaborate closely with Product, QA, and Team Leads to align technical execution with business goals
• Identify and mitigate technical risk proactively, keeping delivery on track
• Champion engineering best practices, including adoption of AI tools and automation

Technologies:

• AI
• API
• Azure
• C#
• Cloud
• Fullstack
• React
• microservices
• ASP.NET
• CTO

More:

Were Capital on Tap, a financial platform built to help small businesses run more easily. We offer a business credit card, an SME-focused spend management platform, a savings product, and a growing suite of tools and financial products. Were a profitable company with 1,000+ employees, 20bn in annual card spend, 200,000+ customers, and 17,000+ Trustpilot reviews averaging 4.7 stars. This is a hybrid role, with our Engineering team working from our London (Moorgate) offices 2 days per week. We offer private healthcare including dental and opticians through Vitality, worldwide travel insurance, anniversary rewards, a salary sacrifice pension scheme with up to 7% match, 28 days holiday plus bank holidays, an annual learning and wellbeing budget, enhanced parental leave, a cycle to work scheme, season ticket loan, 6 free therapy sessions per year, dog-friendly offices, and free drinks and snacks. Our offices also include a pool table, arcade machine, beer tap, and office dogs. We welcome applications from anyone who shares our commitment to inclusivity.

last updated 36 week of 2026